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Publikováno v:
Laser-Induced Damage in Optical Materials 2021.
Autor:
Marine Chorel, Laurent Lamaignère, Eric Lavastre, Nicolas Bonod, Laurent Gallais, Saaxewer Diop
Publikováno v:
Advances in Optical Thin Films VII
Advances in Optical Thin Films VII, Sep 2021, e-Conference, United States. pp.4, ⟨10.1117/12.2598972⟩
Advances in Optical Thin Films VII, Sep 2021, e-Conference, United States. pp.4, ⟨10.1117/12.2598972⟩
International audience; Multilayer dielectric gratings (MLDG) are key optical components of Petawatt-class laser that are used to compress short pulses of high intensities. Laser-induced damage can occur on the top area of the components, typically a
Publikováno v:
High Power Lasers for Fusion Research VI.
The Laser Megajoule facility, developed by the CEA is based on 176 Nd:glass laser beams focused on a micro -target positioned inside a 10-meter diameter spherical chamber. The facility will deliver a total energy of 1.4MJ of UV light at 0.35 μm and
Publikováno v:
Dimensional Optical Metrology and Inspection for Practical Applications X.
A novel original method is presented to detect and track laser damage sites on vacuum windows of the Laser MegaJoule (LMJ) facility. The method is based on spatial registration by Digital Image Correlation (DIC). It also involves corrections for gray
Autor:
F. Boubault, S. Hubert
Publikováno v:
The Review of scientific instruments. 92(3)
X-ray framing cameras (XRFCs) are routinely used at the Laser MegaJoule facility in x-ray imaging plasma diagnostics around the target chamber. Most of these diagnostics are based on multilayer x-ray toroidal mirrors under grazing incidence. The abso
Publikováno v:
Journal of Plasma Physics. 87
This work aims to analyse the possibility of directly driven imploding spherical targets in order to create a source of energetic particles (neutrons, protons, alphas, tritium and 3He ions) for the Laser MégaJoule facility. D3He gas-filled spherical
Autor:
Vincent Trauchessec
Publikováno v:
EPJ Web of Conferences, Vol 253, p 03001 (2021)
Since the first experiment in 2014, more and more plasma diagnostics are being deployed on the Laser MegaJoule (LMJ) facility manufactured by C.E.A/D.A.M. These diagnostics aim at measuring radiations or particles emitted during laser experiments to
Autor:
Roger Courchinoux, Stéphane Bouillet, Thierry Donval, Christel Ameil, Laurent Lamaignère, Odile Bonville, Sandrine Fréville, Romain Parreault, Jérôme Daurios, Nadja Roquin, Sébastien Martin, Gerard Raze, Isabelle Lebeaux, Gael Gaborit, Vincent Beau, Sandy Cavaro, Christophe Leymarie, Laure Eupherte
Publikováno v:
Journal of the Optical Society of America. A, Optics, image science, and vision. 36(11)
The Laser MegaJoule (LMJ) is a high-power laser dedicated to laser-plasma experiments. At the beginning of the project in the mid-1990s, an optical metrology laboratory was created at CEA to help accomplish all the steps in the construction of this l
Publikováno v:
Fusion Science and Technology. 73:127-131
Targets experimented on the Laser Megajoule (LMJ) facility are composed of amorphous hydrogenated carbon capsules. Some of them present rippled surface features like sinusoidal functions. Other experimented targets are hohlraum-containing capsules. T